NSN 6540-01-273-8621
Part Details | SEMIFINISHED SPHERE OPHTHALMIC LENS BLANK
6540-01-273-8621 A transparent molded optical element having equal spherical diopter curvatures, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.
Alternate Parts: P4.25, 6540-01-273-8621, 01-273-8621, 6540012738621, 012738621
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | MAR 02, 1988 | 01-273-8621 | 30303 ( LENS BLANK, OPHTHALMIC, SPHERE, SEMIFINISHED ) |
REFERENCE DRAWINGS & PICTURES
SPHERE
ROUND-RECTANGULAR WITH ROUNDED CORNERS
Cross Reference | NSN 6540-01-273-8621
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P4.25 | 31285 | GERBER COBURN OPTICAL INDUSTRIES INC |
Technical Data | NSN 6540-01-273-8621
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
| DIAMETER | 71.0 MILLIMETERS NOMINAL |
| WIDTH | 71.0 MILLIMETERS NOMINAL |
| HEIGHT | 71.0 MILLIMETERS NOMINAL |
| THICKNESS | 2.2 MILLIMETERS NOMINAL |
| MATERIAL AND LOCATION | GLASS, SODA-LIME SINGLE VISION |
| LIGHT TRANSMISSION | UNTINTED |
| CROSS-SECTIONAL SHAPE STYLE | SPHERE |
| SPHERE CURVE INSIDE DIOPTER | 4.25 PLUS NOMINAL |
| SPECIAL FEATURES | UNCUT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS BLANK OPHTH A1 RECT ROUND CORNERS 71X71X71X2.2MM +4.25 |